Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 955 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹900 (b) ₹150 (c) ₹3750 (d) ₹750
2. 2.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
3. 3.₹1000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹220 (b) ₹1330 (c) ₹1110 (d) ₹1220
4. 4.The simple interest on ₹3000 for 3 years is ₹270. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%
5. 5.₹3500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5425 (b) ₹5040 (c) ₹1540 (d) ₹3885
6. 6.The simple interest on ₹1000 for 2 years is ₹160. What is the rate per year? (a) 8% (b) 9% (c) 16% (d) 7%
7. 7.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹8550 (b) ₹525 (c) ₹1575 (d) ₹1050
8. 8.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹8250 (b) ₹10500 (c) ₹3000 (d) ₹11250
9. 9.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹10800 (b) ₹2400 (c) ₹12400 (d) ₹13200
10. 10.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2080 (b) ₹2320 (c) ₹2400 (d) ₹320
11. 11.In how many years will ₹6000 earn ₹360 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
12. 12.What is the simple interest on ₹9000 at 9% per year for 4 years? (a) ₹810 (b) ₹4050 (c) ₹3240 (d) ₹12240
13. 13.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10900 (b) ₹3600 (c) ₹14500 (d) ₹13600
14. 14.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹8960 (b) ₹960 (c) ₹1280 (d) ₹320
15. 15.What is the simple interest on ₹9500 at 5% per year for 5 years? (a) ₹475 (b) ₹2375 (c) ₹11875 (d) ₹2850
16. 16.The simple interest on ₹7500 for 5 years is ₹1875. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 25%
17. 17.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹45 (b) ₹90 (c) ₹135 (d) ₹1590
18. 18.₹7000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8260 (b) ₹7420 (c) ₹8680 (d) ₹1260
19. 19.₹7000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7700 (b) ₹7350 (c) ₹700 (d) ₹8050
20. 20.In how many years will ₹1000 earn ₹210 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
21. 21.The simple interest on ₹10000 for 3 years is ₹3000. What is the rate per year? (a) 11% (b) 30% (c) 9% (d) 10%
22. 22.The simple interest on ₹7500 for 5 years is ₹2625. What is the rate per year? (a) 7% (b) 35% (c) 8% (d) 6%
23. 23.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹180 (b) ₹90 (c) ₹1180 (d) ₹270
24. 24.What is the simple interest on ₹5500 at 2% per year for 2 years? (a) ₹220 (b) ₹5720 (c) ₹330 (d) ₹110
25. 25.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹1080 (b) ₹11160 (c) ₹3240 (d) ₹2160
26. 26.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1560 (b) ₹300 (c) ₹1800 (d) ₹1860
27. 27.What is the simple interest on ₹10000 at 9% per year for 4 years? (a) ₹13600 (b) ₹900 (c) ₹4500 (d) ₹3600
28. 28.In how many years will ₹1000 earn ₹350 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
29. 29.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 20%
30. 30.What is the simple interest on ₹7000 at 7% per year for 3 years? (a) ₹1960 (b) ₹8470 (c) ₹490 (d) ₹1470
31. 31.What is the simple interest on ₹5000 at 3% per year for 2 years? (a) ₹450 (b) ₹150 (c) ₹300 (d) ₹5300
32. 32.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹90 (b) ₹1060 (c) ₹60 (d) ₹30
33. 33.What is the simple interest on ₹7500 at 2% per year for 2 years? (a) ₹450 (b) ₹300 (c) ₹150 (d) ₹7800
34. 34.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹400 (b) ₹2000 (c) ₹10000 (d) ₹2400
35. 35.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
36. 36.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹9425 (b) ₹8840 (c) ₹7085 (d) ₹2340
37. 37.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7150 (b) ₹6630 (c) ₹7280 (d) ₹650
38. 38.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹1040 (b) ₹40 (c) ₹20 (d) ₹60
39. 39.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
40. 40.In how many years will ₹2500 earn ₹375 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years

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